螺紋規(guī)格對照表

1、螺紋尺寸鉆頭直徑或合度區(qū)分：中（注1）2級（注2）卜孔徑或合度區(qū)分：中（注1）2級（注2）內(nèi)螺紋小徑最小直徑最大直徑M10.78(80%)0.88(80%)0.98(80%)1.14(80%)1.32(75%)1.52(75%)21.65(80%)1.83(75%)2.13(75%)32.59(75%)3.01(75%)43.39(80%)3.85(80%)54.31(80%)6X155.13(80%)17X166.13(80%)86.85(85%)97.85(85%)108.62(85%)119.62(85%)1210.40(85%)14義21212.2(85%)16X21414.2(85%

2、)1815.7(85%)2017.7(85%)2219.2(85%)24義32121.2(85%)27義32424.2(85%)13026.6(90%)3329.6(90%)36X43232.1(90%)39X43535.1(90%)37.6(90%)40.6(90%)48X54343.1(90%)螺紋底孔徑公制粗牙螺紋JISB0209-1982(單位：mm)注以下等級：5H、以上等級：6H（2）基于JISB0209-1982標準螺紋下孔徑表JIS B 0211-1982(單位:公制細牙螺紋mm)螺紋尺寸鉆頭直徑或合度區(qū)分：中（注1）2級（注2）卜孔徑段合度區(qū)分：中（'”2級（'

3、;"內(nèi)螺紋小徑最小直徑最大直徑M2.22(75%)32.72(75%)3.22(75%)43.59(75%)44.09(75%)54.59(75%)P55.09(75%)65.35(80%)76.35(80%)8x177.13(80%)87.35(80%)9x188.13(80%)98.35(80%)108.85(85%)10x199.13(80%)109.35(80%)11x111010.13(80%)1110.35(80%)1210.62(85%)1210.85(85%)12義11111.13(80%)1412.62(85%)14義11313.13(80%)1513.62(85%

4、)15義1P1414.13(80%)1614.62(85%)16X11515.13(80%)1715.62(85%)17X11616.13(80%)18義2P1616.2(85%)1816.62(85%)18X1r1717.13(80%)20X21818.2(85%)2018.62(85%)20X11919.13(80%)22X22020.2(85%)2220.62(85%)22X12121.13(80%)24X22222.2(85%)2422.62(85%)24義1P2323.13(80%)25X22323.2(85%)2523.62(85%)25義12424.13(80%)螺紋下孔徑表公制

5、細牙螺紋JISB0211-1982（單位:mm）螺紋尺寸鉆頭直徑或合度區(qū)分：中（注1）2級（注2）卜孔徑或合度區(qū)分：中（注1）2級（注2）內(nèi)螺紋小徑最小直徑最大直徑M24.62(85%)27X225(85%)25.62(85%)27X12626.13(80%)28X2r26(85%)26.62(85%)28X12727.13(80%)30X32727.2(85%)30X22828.2(85%)28.62(85%)30X12929.13(80%)32X2r3030.2(85%)30.62(85%)33X33030.2(85%)33X213131.2(85%)31.62(85%)33.62(85%

6、)36X33333.2(85%)36X23434.2(85%)34.62(85%)36.62(85%)39X33636.2(85%)39X23737.2(85%)37.62(85%)40X33737.2(85%)40X2:3838.2(85%)38.62(85%)42X43838.1(90%)42X33939.2(85%)42X24040.2(85%)40.62(85%)45X44141.1(90%)45X34242.2(85%)45X24343.2(85%)43.62(85%)48X44444.1(90%)48X34545.2(85%)48X24646.2(85%)46.62(85%)50X

7、34747.2(85%)50X2r4848.2(85%)48.62(85%)江(1)等級：6H(2)基于JISB0211-1982標準螺紋下孔徑表美制粗牙螺紋(單位:mm)螺紋尺寸鉆頭直徑2B級螺紋下孔徑內(nèi)螺紋小徑最小直徑最大直徑NO.1-64UNC1.57(65%)2-561.86(65%)3-482.14(65%)4-402.36(70%)5-402.69(70%)6-322.86(75%)8-323.52(75%)10-243.91(80%)12-244.57(80%)1/4-205.25(80%)5/16-186.72(80%)3/8-1688.15(80%)7/16-140(80%)

8、1/2-1311.0(80%)9/16-1212.3(85%)5/8-1113.8(85%)3/4-1016.8(80%)7/8-919.6(85%)1-822.5(85%)11/8-72525.2(85%)11/4-728.4(85%)13/8-631.0(85%)11/2-63434.2(85%)13/4-539.8(85%)2-445.3(90%)螺紋下孔徑表美制細牙螺紋（單位:mm）螺紋尺寸鉆頭直徑2B級螺紋下孔徑內(nèi)螺紋小徑最小直徑最大直徑NO.0-80UNF1.30(65%)1-721.61(65%)2-641.90(65%)3-562.17(70%)4-482.44(70%)5-4

9、42.74(70%)6-403.02(70%)8-363.59(75%)10-324.14(80%)12-284.70(80%)1/4-285.56(80%)5/16-247.02(80%)3/8-248.61(80%)7/16-2010.01(80%)1/2-2011.60(80%)9/16-1813.07(80%)5/8-1814.65(80%)3/4-1617.59(85%)7/8-14(85%)1-12(85%)11/8-12(80%)11/4-12(80%)13/8-12(85%)11/2-1236(85%)（單位:螺紋下孔徑表縫紉機螺紋（SM）mm）螺紋尺寸鉆頭直徑2B級螺紋下孔徑

10、2級內(nèi)螺紋小徑最小直徑最大直徑SM1/16-801.28(75%)5/64-641.57(80%)3/32-1002.15(70%)3/32-561.91(80%)1/8-442.58(80%)1/8-402.52(80%)9/64-402.91(80%)11/64-403.71(80%)3/16-323.94(80%)3/16-283.82(80%)7/32-324.73(80%)15/64-285.01(80%)1/4-405.69(80%)1/4-285.41(80%)縫紉機螺紋（SM）（單位:mm)螺紋尺寸鉆頭直徑2B級螺紋下孔徑2級內(nèi)螺紋小徑最小直徑最大直徑SM1/4-245.25(

11、80%)9/32-286.20(80%)9/32-205.82(80%)5/16-286.00(80%)5/16-246.84(80%)5/16-186.38(85%)3/8-288.58(80%)3/8-187.97(85%)7/16-2810.17(80%)7/16-169.36(85%)1/2-2811.76(80%)1/2-2011.38(80%)1/2-1210.36(85%)螺紋下孔徑表英制粗牙螺紋（單位:mm）、切削速度與切削液加工材料切削速度m/min切Fm液直槽絲攻螺旋絲攻先端絲攻鴇鋼絲攻無屑絲攻高速同步絲攻管用絲攻油性水溶性（乳化液）半干式干式（氐*鋼%以下81381315

12、25一813273236O中碳素鋼%7127121015一710273236O高碳素鋼%以上6969813一58222725O合金鋼SCM7127121015一58222725調(diào)質(zhì)鋼2545HRC35(48)35(48)46(610)一一一25一一不銹鋼SUS4758813一510一36O一一不銹鋼SUS630SUS631353546一一一25一一一工具鋼SKD6969710一一一25一一一鑄鋼SC6116111015一一172225O一一鑄鐵FC1015一一1020一一25OOO球鑄鐵FCD71271210201020一一48OO一銅Cu696117121020712273225OO一一黃銅？黃銅鑄件Bs?BsC10151020152515257122732510OOOO青銅？青銅鑄件PB?PBC61161110201020712一611OO一一形金合變鋁AL102010201025一1020100300510O